2 out of 3
Can you work out the dimensions of the three cubes?
2 out of 3
How well can you estimate 10 seconds? Investigate with our timing tool.
2 out of 3
There are 78 prisoners in a square cell block of twelve cells. The clever prison warder arranged them so there were 25 along each wall of the prison block. How did he do it?
2 out of 3
There are four children in a family, two girls, Kate and Sally, and two boys, Tom and Ben. How old are the children?
1 out of 3
How high will a ball taking a million seconds to fall travel?
1 out of 3
Can you rearrange the cards to make a series of correct mathematical statements?
3 out of 3
By exploring the concept of scale invariance, find the probability that a random piece of real data begins with a 1.
2 out of 3
Given any three non intersecting circles in the plane find another circle or straight line which cuts all three circles orthogonally.
3 out of 3
Investigate the family of graphs given by the equation x^3+y^3=3axy for different values of the constant a.
3 out of 3
Do you notice anything about the solutions when you add and/or subtract consecutive negative numbers?
